EP3419151B1 - Schwingankermotor und elektrische haarschneidemaschine - Google Patents
Schwingankermotor und elektrische haarschneidemaschine Download PDFInfo
- Publication number
- EP3419151B1 EP3419151B1 EP16838227.3A EP16838227A EP3419151B1 EP 3419151 B1 EP3419151 B1 EP 3419151B1 EP 16838227 A EP16838227 A EP 16838227A EP 3419151 B1 EP3419151 B1 EP 3419151B1
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- EP
- European Patent Office
- Prior art keywords
- permanent magnet
- support leg
- magnetic yoke
- oscillating motor
- end faces
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/18—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
- B26B19/12—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the oscillating- cutter type; Cutting heads therefor; Cutters therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
- B26B19/28—Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
- B26B19/28—Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
- B26B19/282—Motors without a rotating central drive shaft, e.g. linear motors
- B26B19/284—Motors without a rotating central drive shaft, e.g. linear motors with an actuator oscillating about a pivot axis
Definitions
- the present invention relates to a motor, and more specifically, to a motor that outputs an oscillating motion.
- a motor is an electromagnetic device that converts electric energy based on the law of electromagnetic induction. It is widely used in various fields and as an indispensable prime mover in today's society, it provides a motive power source for a large number of electric appliances or machines.
- Electric clippers are a kind of equipment powered by motors.
- motors for electric clippers include rotating motors and oscillating motors.
- a rotating motor is a rotating electromagnetic machine that operates on the principle of electromagnetic induction to realize mutual conversion between to mechanical energy and electric energy. Meanwhile, the rotating motor converts rotary motion into reciprocating oscillating motion by means of a transmission mechanism.
- a typical transmission mechanism is for example a cam mechanism or an eccentric link structure.
- An oscillating motor includes -shaped iron core magnetic yoke, (one or two) permanent magnet(s), and a swing arm composed of pure iron and connected to the permanent magnet(s).
- a EP application discloses a vibrating armature motor, which includes a voltage source, an armature, an electromagnet having at least one exciter coil disposed adjacent the armature, a spring for rotationally biasing the armature, a sensor element for sensing the rotational velocity of the armature and for generating a signal proportional to the sensed velocity, a variable duty cycle pulse generator for generating a stream of triggering pulses, the duty cycle of the triggering pulses being dependent upon the sensor signal, and an electronic switch for controlling the current flow from the voltage source through the exciter coil in response to the triggering pulses.
- a PCT application discloses an electric razor with a housing and a shaving head.
- the shaving head is coupled to the housing by means of at least one first elastic element and has at least one first shaving element.
- the electric razor also has an electric motor for generating an oscillating movement of the shaving head and a diverging oscillating movement of at least one second shaving element.
- the electric motor has two drive components, and a first drive component can be actuated in an oscillating manner relative to a second drive component.
- One of the drive components is connected to the at least one second shaving element.
- the at least one second shaving element, or a drive part connected thereto, has an elastic connection to the shaving head.
- the electric motor is arranged in the housing.
- a French application ( FR 2268386 A1 ) discloses an electric razor motor. Both D.C. and A.C. forms are possible and are based on a varying reluctance type motor providing linear movement for the cutting parts.
- the stator is shaped, the single energising winding surrounding the centre leg of the E. Each leg of the E is shaped to provide a mating shape to the surface of the moving element. This is provided with an orthodox pivot and two return springs and in D.C. types will operate an automatic field reversing switch.
- JP 2002325415 A discloses a vibrating linear actuator including a movable element consisting of permanent magnets and a yoke, and an electromagnet consisting of a stator and a winding.
- the movable element is reciprocated and driven by the electromagnet and the reciprocating driving is controlled by the back electromotive voltage signal generated by the driving.
- the operating current is huge, especially when starting and stalling, the operating current is abnormally large.
- the operating current is 800-1200 mA
- the power is about 4 watts
- the swing frequency varies greatly with the resistance
- the current during stalling exceeds 2000 mA
- the life of the motor is about 400 hours.
- the magnetic flux of the middle support magnetic yoke of the mountain-shaped iron core magnetic yoke is large, and the magnetic flux of the end support magnetic yokes is small.
- the end support magnetic yokes in operation have only a single attraction force or a short repulsive force.
- the middle support magnetic yoke has both attraction and repulsive forces for a short time only, and only an attraction force at other times, which is larger than the attraction or repulsive force of the end support magnetic yokes.
- the coils must be connected to 220V AC, and the power goes to 8-12 watts.
- the swing arm oscillates with the fixed frequency of 220V AC, and the resonance of the resonant spring provides insurance. If such structure is driven by a rechargeable battery at a low voltage, the torque is too small to produce the operating torque, that is, the electric clippers cannot be designed to be wireless and portable.
- the present application provides a novel oscillating motor and electric clippers.
- the oscillating motor provided by the present application includes:
- the electric clippers provided by the present application include an oscillating motor and a cutter head. If adopts any of the oscillating motors, the cutter head is connected to the outer arm of the swing arm.
- the oscillating motor provided by the present application includes a U-shaped magnetic yoke, four permanent magnets and a swing arm.
- the two support legs of the U-shaped magnetic yoke are respectively wound with coils, and the end faces of the two support legs can produce alternating magnetic poles with the control circuit.
- the swing arm can revolve around the fulcrum, and one end thereof near the U-shaped magnetic yoke as an inner arm, and the other end away from the U-shaped magnetic yoke as an outer arm.
- the four permanent magnets are fixedly mounted on the inner arm via the second magnetic yoke.
- the four permanent magnets are the first permanent magnet, the second permanent magnet, the third permanent magnet, and the fourth permanent magnet respectively, which are sequentially distributed on the same circumference centered on the fulcrum.
- the radial end faces of the first and the fourth permanent magnet have the same polarity
- the radial end faces of the second and the third permanent magnet have the same polarity
- the radial end faces of the first and the second permanent magnet have opposite polarities and correspond to the end face of the first support leg
- the radial end faces of the third and the fourth permanent magnet have opposite polarities and correspond to the end face of the second support leg, and there is an air gap between the permanent magnets and the U-shaped magnetic yoke.
- the four permanent magnets When a coil is electrified, the four permanent magnets produce torque in the same direction of rotation. After electrified, if the first and third permanent magnets produce the same magnitude of magnetic attraction force to the U-shaped magnetic yoke, the second and fourth permanent magnets produce the same magnitude of magnetic repulsive force to the U-shaped magnetic yoke; if inversely electrified, the first and third permanent magnets produce the same magnitude of magnetic repulsive force to the U-shaped magnetic yoke, then the second and fourth permanent magnets produce the same magnetic of magnetic attraction force to the U-shaped magnetic yoke.
- Each support leg of the U-shaped magnetic yoke corresponds to two permanent magnets, and such , redundant design for permanent magnet is different from prior art in magnetic circuit design.
- the motor can be powered by a rechargeable battery, which is convenient for a portable design.
- the electric clippers provided by the present application adopt the above-mentioned oscillating motor, and only need a low-voltage direct current (such as 3.7V).
- the operating current is about 500 mA
- the power is about 2 watts
- the current during stalling is about 700 mA
- the driving current is stable and the swing frequency does not vary with the resistance.
- With a lower operating current than that of a brushed DC motor it is more energy-efficient. It can be charged by lithium battery, and there is no large current when starting and stalling, and the battery life is longer, So this design is energy-saving and environment-friendly.
- the first embodiment provides an oscillating motor that can output a reciprocating oscillating motion.
- the oscillating motor includes:
- the four permanent magnets sequentially distributed on the same circumference centered on the fulcrum mean that the radii of the four permanent magnets to the fulcrum 410 are roughly equal, that is, radially distributed along a swing center line.
- the U-shaped magnetic yoke 100, the swing arm 400, the second magnetic yoke 500, and the permanent magnets are mounted in a housing 700, wherein the fulcrum 410 of the swing arm 400 is a swing shaft 410 fixedly mounted on the housing 700, and the swing arm 400 is fitted over the swing shaft 410.
- the housing 700 referred to herein may be a housing dedicated to the motor or a housing of an electric appliance using the motor.
- the four permanent magnets When the coils 200 are electrified, the four permanent magnets will produce torque in the same direction of rotation. After being electrified, if the first and third permanent magnets 610, 630 produce the same magnitude of magnetic attraction force to the U-shaped magnetic yoke 100, the second and fourth permanent magnets 620, 640 produce the same magnitude of magnetic repulsive force to the U-shaped magnetic yoke 100; after being inversely electrified, the first and third permanent magnets 610, 630 produce the same magnitude of magnetic repulsive force to the U-shaped magnetic yoke 100, and the second and fourth permanent magnets 620, 640 produce the same magnetic of magnetic attraction force to the U-shaped magnetic yoke 100.
- Each support leg of the U-shaped magnetic yoke corresponds to two permanent magnets, and such permanent magnet redundancy design is a magnetic circuit design different from the prior art, and has a larger torque than existing motors of the same power, a larger magnetic flux and a correspondingly reduced driving power.
- the four permanent magnets are simultaneously subjected to the force of the U-shaped magnetic yoke 100 in the same swinging direction, which ensures that the swing arm 400 finishes the entire reciprocating swing process without an external force.
- the end faces of the first permanent magnet 610 and the fourth permanent magnet 640 are the N pole
- the end faces of the second permanent magnet 620 and the third permanent magnet 630 are the S pole.
- the N pole of the first support leg 110 will produce an attraction force to the S pole of the second permanent magnet 620, and a repulsive force to the N pole of the first permanent magnet 610.
- the S pole of the second support leg 120 will produce an attraction force to the N pole of the fourth permanent magnet 640 and a repulsive force to the S pole of the third permanent magnet 630, thereby swinging the swing arm 400 from the position shown in FIG. 1 to the position shown in FIG. 3 , forming a first swing.
- the end face of the first support leg 110 is the S pole
- the end face of the second support leg 120 is the N pole
- the S pole of the first support leg 110 produces a repulsive force to the S pole of the second permanent magnet 620 and produces an attraction force to the N pole of the first permanent magnet 610.
- the N pole of the second support leg 120 will produce a repulsive force to the N pole of the fourth permanent magnet 640, and produce an attraction force to the S pole of the third permanent magnet 630, thereby swinging the swing arm 400 from the position shown in FIG. 3 to the position shown in FIG. 4 , forming a second swing.
- the coils 200 are connected to the control circuit 300, and the control circuit 300 produces alternating pulses with adjustable pulse width, causing the end face of the U-shaped magnetic yoke 100 to produce alternating magnetic poles, so that the permanent magnets produce an attraction torque and repulsive torque, or a repulsive torque and attraction torque, to drive the swing arm 400 to swing, thereby driving the corresponding mechanical unit to be swung by means of the swing arm 400.
- the gap between the first permanent magnet 610 and the second permanent magnet 620 may be made smaller than the width of the end face 111 of the first support leg 110, and the gap between the third permanent magnet 630 and the fourth permanent magnet 640 may be made smaller than the width of the end face 121 of the second support leg 120 to ensure that the support legs of the U-shaped magnetic yoke 100 have sufficient applied force on the permanent magnets.
- each of the permanent magnets may be the same as or different from the width of the end faces of the support legs of the U-shaped magnetic yoke 100.
- the width referred to herein means the width in the direction indicated by the arrow in FIG. 2 .
- the end faces 111, 121 of the first support leg 110 and the second support leg 120 may have a circular arc surface matching the corresponding circumference when the permanent magnets swing, that is, the circular arc surface formed by the end faces 111, 121 of the first support leg 110 the and the second support leg 120 and a part of the arc surface of the circumference formed by the permanent magnets have an air gap only there between.
- the radial end faces of the four permanent magnets are arranged as shown in FIG. 5 , and are roughly rectangular.
- the radial end faces of the permanent magnets may be made into other shapes. As shown in FIG. 5
- the permanent magnets are staggered and distributed, thereby improving the output torque curve and making the output torque stable.
- the outer arm 430 has a force output portion 431, and the force output portion 431 has a curved outer wall which can act on an actuator to drive the actuator to oscillate.
- the outer arm 430 of the swing arm 400 is an output arm.
- An outer arm of force is smaller than an inner arm of force.
- the distance of inner arm of force is the distance from the radial end face of a permanent magnet to the center of the swing shaft 410, and the distance of the external arm of force is the distance from the center of the swing shaft 410 to the center of the force output portion 431 of the outer arm 430.
- the ratio of the length of the inner arm to that of the outer arm can also be designed according to the demand for the amplitude of the swing.
- swing rods 432, 421 for force output may also be configured on the outer arm 430 and/or the inner arm 420.
- the swing rods 432, 421 are perpendicular (including the case where a basically vertical angle is formed) to the swing plane of the swing arm 400, and when the swing arm 400 swings, the swing rods 432, 421 and an actuator 440 mounted on the swing rods 432, 421 are driven to swing.
- the first and second permanent magnets 610, 620 and the first support leg 110 form a closed magnetic path through the air gap
- the third and fourth permanent magnets 630, 640 and the second support leg 120 form a closed magnetic path through the air gap, thereby avoiding magnetic leakage.
- the permanent magnets and the second magnetic yoke 500 are mounted on the swing arm 400, so that other portions of the swing arm 400 do not affect the magnetic field.
- a rechargeable battery 310 and a charging module 320 may be further included, the rechargeable battery 310 is used for power supply, and the charging module 320 is connected to the control circuit for charging the rechargeable battery 310.
- the control circuit may further include a status indication module 330 and a switch, the status indication module 330 is used for indicating the operating state of the motor, and the switch is used for providing a trigger signal to the control circuit to control the turning-on/turning-off of the motor.
- control circuit 300 can determine the number of mechanical oscillations by counting energization pulses of the coils, and output signals to correspondingly indicate the operating condition of the mechanical unit.
- the swing arm of the oscillating motor swings around the fulcrum 410, and the life of the fulcrum 410 and swing arm cooperation structure is the life of the motor.
- the swing arm is mounted on the swing shaft through a bearing, and the life of the bearing is the life of the motor, whereby the life of the motor is extremely long and cannot be compared with existing brushed DC motors.
- the swing arm can be directly fitted over the swing shaft, and at the time the life of the socket structure is the life of the motor.
- the oscillating motor shown in this embodiment can also drive various mechanical units that need to reciprocate and have a small moving distance.
- the oscillating motor does not need a cam mechanism or an eccentric link structure, with small noise and stable current, the current does not change much during stalling, and the swing frequency does not vary with the resistance.
- the second embodiment provides another oscillating motor.
- the oscillating motor is improved on the basis of the structure shown in the first embodiment.
- an elastic body 810 is provided on both sides of the swing arm to absorb the moment of inertia of the swing arm 400 in the swing position.
- the elastic body 810 is mainly used to absorb the moment of inertia of the swing arm 400 under no-load condition, and the elastic force thereof increases with the compression stroke. Before the position is reached, the elastic force is small, and it rapidly increases when approaching the position.
- the elastic characteristic of the elastic body 810 can ensure that it does not exert excessive influence on the swing of the swing arm 400 under load (the swinging distance of the swing arm 400 is attenuated under load), and produces a large restoring force only when the swing arm 400 under no-load condition excessively squeezes the elastic body 810, preventing the swing arm 400 under no-load condition from hitting surrounding components.
- the elastic body 810 can be mounted on either side of the inner arm 420 and/or the outer arm 430.
- the elastic body 810 is mounted between the inner arm 420 and the housing 700 in this embodiment.
- the elastic body 810 may be a silicone member or a rubber member in the shape of a sphere, an elliptical sphere, a cylinder, an elliptical cylinder or a semicircle.
- a detecting element 820 for detecting the in-position state of the first permanent magnet 610 or the fourth permanent magnet 640 may be provided outside the U-shaped magnetic yoke 100 and on the moving track of the first permanent magnet 610 and/or the fourth permanent magnet 640, and the detecting element 820 is connected to the control circuit 300.
- the detecting element 820 can detect whether the first permanent magnet 610 and/or the fourth permanent magnet 640 reach the detecting position or the time of reaching the detecting position, thereby determining the magnitude of the resistance, and further changing the magnitude of the current by changing the electrifying pulse width. For example, if the first permanent magnet 610 and/or the fourth permanent magnet 640 take long to reach the position, it means that the resistance is large, and then the control circuit 300 can control and increase the current, and conversely, reduce the current.
- the detecting element 820 can be a Hall element, and can also be another detecting element 820 that can be used for in-position detection.
- control circuit 300 can change the driving current by analyzing the torque variation of the driving unit, thereby reaching driving stability and reducing power consumption.
- the third embodiment provides another oscillating motor.
- the oscillating motor is improved on the basis of the structure shown in Embodiment 1, and a resonant elastic member 450 for producing resonance at a constant swing frequency is added.
- the resonant elastic member 450 is fixed at one end on the fulcrum 410 of the swing arm and is connected to the other end to the outer arm or the inner arm.
- the resonant elastic member 450 shown in FIG. 10 is a linear spring steel wire. Further, other shapes of elastic members may be used instead, for example, the central portion of the resonant elastic member 450 as shown in FIG. 11 is curved.
- Embodiment 4 provides electric clippers.
- the electric clippers include an oscillating motor and a cutter head, and the oscillating motor can output a reciprocating oscillating motion to drive the reciprocating oscillating motion of the cutter head, thereby making haircut done.
- the oscillating motor can adopt any structure shown in the above embodiments, wherein the cutter head is connected to the outer arm of the swing arm.
- the outer arm 430 has a force output portion 431, and the force output portion 431 has an arc-shaped outer wall.
- a cutter head 910 has a toggle connecting body 920, and the toggle connecting body 920 has a groove 921 matching the force output portion 431.
- the force output portion 431 is mounted within the groove 921, and the arc-shaped outer wall can act on the toggle connecting body 920 to drive the cutter head 910 to swing.
- the electric clippers shown in this embodiment only need a low-voltage direct current (such as 3.7V), the operating current is about 750 mA, the power is about 2 watts, the current during stalling is about 700 mA, and the driving current is stable. There is no need for large current during start and stalling like in a rotating motor, and the swing frequency does not vary with the resistance. The life of the motor is abnormally long, and the operating current thereof is lower than that of the brushed DC motor, and the energy saving effect is obvious.
- the rechargeable lithium battery can be used, and there is no need for large current when starting and stalling, and the battery life is longer, which is an energy-saving and environmentally friendly design.
- control circuit 300 can determine the number of times the cutter head swing by counting the electrifying pulses of the coils, and output signals to correspondingly indicate the lubrication of the cutter head, thereby preventing the cutter head from generating heat and wearing out.
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Dry Shavers And Clippers (AREA)
Claims (10)
- Schwenkmotor, umfassend,
ein U-förmiges Magnetjoch (100) mit einem ersten Stützbein (110) und einem zweiten Stützbein (120), wobei der erste Stützbein (110) und der zweite Stützbein (120) mit einer Spule (200) gewickelt sind;
eine Steuerschaltung (300), die elektrisch an die Spule (200) angeschlossen ist und einen Wechselimpulserzeugt, um wechselnde Magnetpolformen an den Stirnflächen (111, 121) des ersten Stützbeins (110) und des zweiten Stützbeins (120) des U-förmigen Magnetjochs (100) zu erzeugen;
einen Schwenkarm (400), der um einen Drehpunkt (410) schwingbar ist; wobei sich der Schwenkarm (400) von den Stirnflächen (111, 121) des U-förmigen Magnetjochs (100) nach außen erstreckt und durch den Drehpunkt (410) begrenzt ist; wobei ein dem U-förmigen Magnetjoch (100) zugewandtes Ende des Schwenkarms (400) ein Innenarm (420) ist und das andere, dem U-förmigen Magnetjoch (100) abgewandten Ende des Schwenkarms (400) ein Außenarm (430) ist;
ein zweites Magnetjoch (500), das an einem dem U-förmigen Magnetjoch (100) zugewandten Ende des Innenarms (420) angebracht ist;
und vier Permanentmagnete (610, 620, 630, 640), die fest am zweiten Magnetjoch (500) angebracht sind;
wobei die vier Permanentmagnete nacheinander an demselben auf dem Drehpunkt (410) zentrierten Umfang verteilt und nach der Reihenfolge der Anordnung jeweils als erster Permanentmagnet (610), zweiter Permanentmagnet (620), dritter Permanentmagnet (630) und vierter Permanentmagnet (640)bezeichnet sind; wobei radiale Stirnflächen (611, 641) des ersten Permanentmagneten (610) und des vierten Permanentmagneten (640) die gleiche Polarität aufweisen, radiale Stirnflächen (621, 631) des zweiten Permanentmagneten (620) und des dritten Permanentmagneten (630)die gleiche Polarität aufweisen; wobei die radialen Stirnflächen (611, 621) des ersten Permanentmagneten (610) und des zweiten Permanentmagneten (620) entgegengesetzte Polaritäten aufweisen und mit einer Stirnfläche (111) des ersten Stützbeins (110) korrespondieren, während die radialen Stirnflächen (631, 641) des dritten Permanentmagneten (630) und des vierten Permanentmagneten (640) entgegengesetzte Polaritäten aufweisen und die radialen Stirnflächen (631, 641) mit einer Stirnfläche (121) des zweiten Stützbeins (120) korrespondieren; wobei zwischen den Stirnflächen (611, 621) des ersten und des zweiten Permanentmagneten (610, 620) und dem ersten Stützbein (110) ein Luftspalt vorgesehen ist, oder zwischen den Stirnflächen (631, 641) des dritten und des vierten Permanentmagneten (630, 640) und dem zweiten Stützbein (120)ein Luftspalt vorgesehen ist;
dadurch gekennzeichnet, dass der Spalt zwischen dem ersten Permanentmagneten (610) und dem zweiten Permanentmagneten (620) geringer ist als die Breite der Stirnfläche (111) des ersten Stützbeins (110); und der Spalt X zwischen dem dritten Permanentmagneten (630) und dem vierten Permanentmagneten (640) geringer ist als die Breite der Stirnfläche (121) des zweiten Stützbeins (120). - Schwingmotor nach Anspruch 1, dadurch gekennzeichnet, dass die Stirnflächen (111, 121) des ersten Stützbeins (110) und des zweiten Stützbeins (120) eine Kreisbogenfläche aufweist, die an den beim Schwingen der Permanentmagnete (610, 620, 630, 640) gebildeten entsprechenden Umfang angepasst ist.
- Schwingmotor nach Anspruch 1, dadurch gekennzeichnet, dass ein elastischer Körper (810) auf beiden Seiten des Schwenkarms (400) vorgesehen ist, um ein Trägheitsmoment des Schwenkarms (400) in einer Schwenkposition zu absorbieren.
- Schwingmotor nach Anspruch 3, dadurch gekennzeichnet, dass der elastische Körper (810) ein Silikonelement oder ein Gummielement in Form von einer Kugel, einer elliptischen Kugel, einem Zylinder, einem elliptischen Zylinder oder einem Halbkreis ist.
- Schwingmotor nach Anspruch 1, dadurch gekennzeichnet, dass der erste Permanentmagnet (610) oder der vierte Permanentmagnet (640) jeweils mit einem Erfassungselement (820) im In-Position-Zustand versehen ist, das jeweils an der Bewegungsspurder Außenseite des U-förmigen Magnetjochs (100) vorgesehen ist und zum Erfassen des ersten Permanentmagneten (610) oder des vierten Permanentmagneten (640) dient; und dass das Erfassungselement (820) mit einer Steuerschaltung (300) verbunden ist.
- Schwingmotor nach Anspruch 5, dadurch gekennzeichnet, dass das Erfassungselement (820) ein HALL-Element ist.
- Schwingmotor nach Anspruch 1, dadurch gekennzeichnet, dass der Schwingmotor ferner ein resonantes elastisches Element (450) umfasst, wobei ein Ende des resonanten elastischen Elements (450) am Drehpunkt (410) befestigt ist, und das andere Ende des resonanten elastischen Elements (450) an den Außenarm (430) oder den Innenarm (420) angeschlossen ist.
- Schwingmotor nach Anspruch 1, dadurch gekennzeichnet, dass an einem Ende des Außenarms (430) ein Kraftausgabeabschnitt (431) mit einer bogenförmigen Außenwand vorgesehen ist.
- Elektrischer Haarschneider, dadurch gekennzeichnet, umfassend einen Schwingmotor und einen Schneidkopf (910),wobei der Schwingmotor nach einem der Ansprüche 1 bis 7 verwendet wird, und der Schneidkopf (910) mit dem Außenarm (430) des Schwenkarms (400) verbunden ist.
- Elektrischer Haarschneider nach Anspruch 9 dadurch gekennzeichnet, dass der Kraftausgabeabschnitt (431) am Außenarm (430) vorgesehen ist, wobei der Kraftausgabeabschnitt (431) eine bogenförmige Außenwand aufweist; dass am Schneidkopf (910) ein Kippverbindungskörper (920) vorgesehen ist, wobei am Kippverbindungskörper (920) eine Nut (921) vorgesehen ist, die dem Kraftausgabeabschnitt (431) entspricht, wobei der Kraftausgabeabschnitt (431) in der Nut (921) eingebaut ist.
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PCT/CN2016/074161 WO2017031964A1 (zh) | 2016-02-19 | 2016-02-19 | 摆动电机及电推剪 |
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EP3419151A1 EP3419151A1 (de) | 2018-12-26 |
EP3419151A4 EP3419151A4 (de) | 2019-02-20 |
EP3419151B1 true EP3419151B1 (de) | 2020-08-26 |
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US (1) | US10511214B2 (de) |
EP (1) | EP3419151B1 (de) |
JP (1) | JP6697835B2 (de) |
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US11573636B2 (en) * | 2020-06-29 | 2023-02-07 | Apple Inc. | Haptic actuator including permanent magnet having a non-vertical, magnetic polarization transition zone and related methods |
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JP6697835B2 (ja) * | 2016-02-19 | 2020-05-27 | 胡建坤 | 揺動モータ及び電動クリッパー |
JP6853542B2 (ja) * | 2017-04-24 | 2021-03-31 | 胡建坤 | 揺動モータに使用される制御方法および揺動モータ |
CN108361335B (zh) * | 2017-12-18 | 2019-10-11 | 武汉滨湖电子有限责任公司 | 一种支撑腿的控制装置 |
JP7036654B2 (ja) * | 2018-04-06 | 2022-03-15 | タカノ株式会社 | ロータリソレノイドの切換速度検出装置 |
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CN115173742A (zh) * | 2021-04-01 | 2022-10-11 | 锐奇控股股份有限公司 | 无传统定、转子电机的多功能机 |
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- 2016-02-19 WO PCT/CN2016/074161 patent/WO2017031964A1/zh active Application Filing
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2018
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Publication number | Publication date |
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EP3419151A1 (de) | 2018-12-26 |
US20180361601A1 (en) | 2018-12-20 |
JP6697835B2 (ja) | 2020-05-27 |
JP2019512198A (ja) | 2019-05-09 |
WO2017031964A1 (zh) | 2017-03-02 |
EP3419151A4 (de) | 2019-02-20 |
US10511214B2 (en) | 2019-12-17 |
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